KR100591782B1 - 투사렌즈 및 투사렌즈용 초점조정방법 - Google Patents

투사렌즈 및 투사렌즈용 초점조정방법 Download PDF

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Publication number
KR100591782B1
KR100591782B1 KR1019990014446A KR19990014446A KR100591782B1 KR 100591782 B1 KR100591782 B1 KR 100591782B1 KR 1019990014446 A KR1019990014446 A KR 1019990014446A KR 19990014446 A KR19990014446 A KR 19990014446A KR 100591782 B1 KR100591782 B1 KR 100591782B1
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KR
South Korea
Prior art keywords
lens
lens group
projection
optical path
focal length
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Expired - Fee Related
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KR1019990014446A
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English (en)
Korean (ko)
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KR19990083411A (ko
Inventor
스가노야스유키
Original Assignee
소니 가부시끼 가이샤
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Publication of KR19990083411A publication Critical patent/KR19990083411A/ko
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
  • Liquid Crystal (AREA)
KR1019990014446A 1998-04-24 1999-04-22 투사렌즈 및 투사렌즈용 초점조정방법 Expired - Fee Related KR100591782B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10115204A JPH11305117A (ja) 1998-04-24 1998-04-24 投射レンズ及び投射レンズの焦点調整方法
JP98-115204 1998-04-24

Publications (2)

Publication Number Publication Date
KR19990083411A KR19990083411A (ko) 1999-11-25
KR100591782B1 true KR100591782B1 (ko) 2006-06-23

Family

ID=14656942

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019990014446A Expired - Fee Related KR100591782B1 (ko) 1998-04-24 1999-04-22 투사렌즈 및 투사렌즈용 초점조정방법

Country Status (7)

Country Link
US (1) US6144503A (enExample)
EP (1) EP0952474B1 (enExample)
JP (1) JPH11305117A (enExample)
KR (1) KR100591782B1 (enExample)
CA (1) CA2269484C (enExample)
DE (1) DE69912674T2 (enExample)
ES (1) ES2209331T3 (enExample)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001343706A (ja) * 2000-05-31 2001-12-14 Sony Corp 映像表示装置
JP4224938B2 (ja) * 2000-10-17 2009-02-18 コニカミノルタオプト株式会社 斜め投影光学系
JP2003015033A (ja) 2001-06-28 2003-01-15 Minolta Co Ltd 投射光学系
KR100542760B1 (ko) * 2001-07-31 2006-01-20 엘지전자 주식회사 프로젝션 시스템의 투사렌즈계
EP1422543A4 (en) * 2001-08-28 2005-06-29 Sony Corp PROJECTION LENS
KR100441591B1 (ko) * 2002-07-02 2004-07-23 삼성전자주식회사 영상투사장치의 투사렌즈계
US7175287B2 (en) * 2002-08-16 2007-02-13 Infocus Corporation Wide angle projection lens
US7009765B2 (en) * 2002-08-16 2006-03-07 Infocus Corporation Wide angle lens system having a distorted intermediate image
US6896375B2 (en) * 2002-08-16 2005-05-24 Infocus Corporation Rear projection display device having multiple mirrors that are substantially parallel to a screen
US7150537B2 (en) * 2002-08-16 2006-12-19 Infocus Corporation Projection television device and screen
US7102820B2 (en) * 2002-08-16 2006-09-05 Infocus Corporation Flat valley fresnel lens for a display device
US7341353B2 (en) * 2002-08-16 2008-03-11 Infocus Corporation Variable fresnel screen for use in projection device
US6853493B2 (en) 2003-01-07 2005-02-08 3M Innovative Properties Company Folded, telecentric projection lenses for use with pixelized panels
US6765731B1 (en) 2003-03-28 2004-07-20 3M Innovative Properties Company Low element count projection lenses for use with pixelized panels
JP2004326079A (ja) * 2003-04-10 2004-11-18 Seiko Epson Corp 投射レンズ及び投写型画像表示装置
JP2004354437A (ja) * 2003-05-27 2004-12-16 Fuji Photo Optical Co Ltd リアプロジェクション装置
US7080910B2 (en) * 2003-08-19 2006-07-25 Infocus Corporation Method and system for a thermal architecture and user adjustable keystone in a display device
JP4196815B2 (ja) * 2003-11-28 2008-12-17 株式会社日立製作所 背面投写型映像表示装置
EP1698182A1 (en) * 2003-12-16 2006-09-06 Koninklijke Philips Electronics N.V. Rotatable projection lens for rear-projection applications
US7259912B2 (en) 2004-01-06 2007-08-21 Infocus Corporation Fresnel lens having reduced distortions
JP4333401B2 (ja) 2004-02-19 2009-09-16 セイコーエプソン株式会社 小型ズームレンズ
US7116498B2 (en) * 2004-03-12 2006-10-03 Sony Corporation Projection optical system and image projection apparatus
WO2005124419A1 (ja) * 2004-06-17 2005-12-29 Nikon Corporation プロジェクターレンズ及びこのプロジェクターレンズを用いたプロジェクター装置
JP2006047948A (ja) * 2004-06-29 2006-02-16 Konica Minolta Opto Inc 投影光学系およびそれを備えた投影装置
WO2006068363A1 (en) * 2004-12-21 2006-06-29 Lg Electronics Inc. Thin type projector
KR100672506B1 (ko) * 2004-12-22 2007-01-24 엘지전자 주식회사 프로젝터의 투사 장치
JP4823641B2 (ja) * 2005-10-19 2011-11-24 富士フイルム株式会社 投写レンズおよびこれを用いた投写型表示装置
JP2007225776A (ja) * 2006-02-22 2007-09-06 Konica Minolta Opto Inc 画像投影装置
TWI284747B (en) * 2006-05-18 2007-08-01 Young Optics Inc Fixed-focus lens
KR100862013B1 (ko) 2007-01-23 2008-10-07 정승태 렌즈를 사용하는 광학장치의 결상면 밝기 보정용 필터
JP2008203604A (ja) * 2007-02-21 2008-09-04 Hitachi Ltd 投射型映像表示装置
TW200903026A (en) * 2007-07-12 2009-01-16 Young Optics Inc Fixed-focus lens
US7605988B2 (en) * 2007-07-23 2009-10-20 Angstrom, Inc. Compact image taking lens system with a lens-surfaced prism
JP5009726B2 (ja) * 2007-09-03 2012-08-22 富士フイルム株式会社 投影レンズおよびこれを用いた投写型表示装置
US20090185067A1 (en) * 2007-12-21 2009-07-23 Stereo Display, Inc. Compact automatic focusing camera
JP5358280B2 (ja) * 2009-05-12 2013-12-04 日立コンシューマエレクトロニクス株式会社 投写ボード装置、及びこれに用いる透過型スクリーン
KR20110120590A (ko) * 2010-04-29 2011-11-04 삼성전자주식회사 광학 시스템 및 이를 적용한 영상투사장치
TWI427323B (zh) * 2011-02-18 2014-02-21 Young Optics Inc 投影鏡頭與投影裝置
JP5652349B2 (ja) * 2011-07-25 2015-01-14 株式会社リコー 広角レンズおよび全天球型撮像装置
CN103439783B (zh) * 2011-11-15 2017-09-12 深圳市亿思达科技集团有限公司 一种高分辩率广角投影镜头及投影仪
JP5487251B2 (ja) * 2012-07-06 2014-05-07 日立コンシューマエレクトロニクス株式会社 投写型映像表示装置および投写光学ユニット
US10746994B2 (en) * 2014-08-07 2020-08-18 Microsoft Technology Licensing, Llc Spherical mirror having a decoupled aspheric
TWI614517B (zh) 2017-01-04 2018-02-11 大立光電股份有限公司 影像擷取系統、取像裝置及電子裝置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526442A (en) * 1981-01-28 1985-07-02 U.S. Precision Lens, Inc. Compact projection lens
US5296967A (en) * 1992-03-02 1994-03-22 U.S. Precision Lens Incorporated High speed wide angle projection TV lens system
US5642229A (en) * 1993-06-15 1997-06-24 Mitsubishi Denki Kabushiki Kaisha Projection lens unit
JPH09218379A (ja) * 1996-01-24 1997-08-19 Samsung Electron Co Ltd 広画角液晶プロジェクションレンズシステム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119993A1 (de) * 1981-05-20 1982-12-16 Rolf Dr.-Ing. 7888 Rheinfelden Müller "weitwinkelobjektiv"
US5278698A (en) * 1990-07-06 1994-01-11 Asahi Kogaku Kogyo Kabushiki Kaisha Magnifying projecting lens
JPH04174812A (ja) * 1990-11-08 1992-06-23 Canon Inc レトロフォーカス型レンズ
US5390048A (en) * 1991-12-02 1995-02-14 Matsushita Electric Industrial Co., Ltd. Projection lens assembly and projection display apparatus
US5870228A (en) * 1996-05-24 1999-02-09 U.S. Precision Lens Inc. Projection lenses having larger back focal length to focal length ratios

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526442A (en) * 1981-01-28 1985-07-02 U.S. Precision Lens, Inc. Compact projection lens
US5296967A (en) * 1992-03-02 1994-03-22 U.S. Precision Lens Incorporated High speed wide angle projection TV lens system
US5642229A (en) * 1993-06-15 1997-06-24 Mitsubishi Denki Kabushiki Kaisha Projection lens unit
JPH09218379A (ja) * 1996-01-24 1997-08-19 Samsung Electron Co Ltd 広画角液晶プロジェクションレンズシステム

Also Published As

Publication number Publication date
KR19990083411A (ko) 1999-11-25
DE69912674T2 (de) 2004-09-23
EP0952474B1 (en) 2003-11-12
CA2269484C (en) 2007-10-09
ES2209331T3 (es) 2004-06-16
EP0952474A2 (en) 1999-10-27
EP0952474A3 (en) 2001-10-17
DE69912674D1 (de) 2003-12-18
CA2269484A1 (en) 1999-10-24
JPH11305117A (ja) 1999-11-05
US6144503A (en) 2000-11-07

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